public async Task ReadStateAsync(string grainType, GrainReference grainReference, IGrainState grainState)
{
using (IServiceScope scope = _scopeFactory.CreateScope())
using (var context = scope.ServiceProvider.GetRequiredService <TContext>())
{
TEntity entity = await _options.ReadStateAsync(context, grainReference)
.ConfigureAwait(false);
_options.SetEntity(grainState, entity);
if (entity != null && _options.CheckForETag)
{
grainState.ETag = _options.GetETagFunc(entity);
}
}
}
public async Task ReadStateAsync(string grainType, GrainReference grainReference, IGrainState grainState)
{
Expression <Func <TGrainState, bool> > expression
= _options.QueryExpressionGeneratorFunc(grainReference);
using (IServiceScope scope = _scopeFactory.CreateScope())
using (var context = scope.ServiceProvider.GetRequiredService <TContext>())
{
TGrainState state = await
_options.ReadQuery(context)
.SingleOrDefaultAsync(expression)
.ConfigureAwait(false);
grainState.State = state;
if (state != null && _options.CheckForETag)
{
grainState.ETag = _options.GetETagFunc(state);
}
}
}
